He's been working on a special taser gun for the purpose - an imitation pistol with seven barrels into which one taser cartridge - which delivers the electric shock - can be placed.

About twice a month, men meet up in a basement gym, paying an entrance fee of around 200 rubles each.

UK police will soon all be carrying tasers (Image: PA)

There are a number of different rounds in the game, involving competitors shooting themselves, shooting each other and even being able to "bluff" that they have received an electric shock. Only one person wins.

Eschenko says the game is completely safe and painless, and that the electricity produces "pure adrenaline and crazy emotions".

However, doctors warn that such shocks could trigger things like seizure or even heart attacks.

Tasers are soon to become much more common on UK streets after police officers voted unanimously that they should all be allowed to carry the electronic weapons.